built-in   (Sound)

The built-in has 1 Senses.

• inbuilt, built-in, integral, constitutional, inherent
• 本有的, 生得的, 固有
• existing as an essential constituent or characteristic; "the Ptolemaic system with its built-in concept of periodicity"; "a constitutional inability to tell the truth"
• 本質的な成分、あるいは特質として存在するさま